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Ulefone Armor X
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Phone Insight
Full Specifications September 3, 2026
Ulefone Armor X Android 8.0
Ulefone · 2018

Ulefone Armor X

Ulefone Armor X Android smartphone. Announced Apr 2018. Features 5.5″ display, MT6739 chipset, 5500 mAh battery, 16 GB storage, 2 GB RAM, MIL-STD-810G compliant.

Display 5.5"
Chipset MT6739
RAM 2 GB
Storage 16GB storage, microSDXC
Camera 8 MP
Battery 5500 mAh
OS Android 8.1
Build 256g, 13.9mm thickness

Launch

Announced 2018, April. Released 2018, April
Status Discontinued

Platform

OS Android 8.1 (Oreo)
Chipset Mediatek MT6739 (28 nm)
CPU Quad-core 1.5 GHz Cortex-A53
GPU PowerVR GE8100

Display

Type IPS LCD
Size 5.5 inches, 78.1 cm 2 (~62.5% screen-to-body ratio)
Resolution 720 x 1440 pixels, 18:9 ratio (~293 ppi density)

Memory

Card slot microSDXC (uses shared SIM slot)
Internal 16GB 2GB RAM
memoryother eMMC 5.1

Main Camera

Dual 8 MP, f/1.8, (wide), AF 5 MP
Features Dual-LED flash, HDR
Video 720p@30fps

Selfie camera

Single 5 MP
Video 720p@30fps

Body

Dimensions 163 x 76.6 x 13.9 mm (6.42 x 3.02 x 0.55 in)
Weight 256 g (9.03 oz)
SIM Nano-SIM + Nano-SIM
bodyother IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) Drop resistant up to 1.2m MIL-STD-810G compliant

Battery

Type Li-Po 5500 mAh
Charging 10W wired

Sound

Loudspeaker Yes
3.5mm jack Yes

Comms

WLAN Wi-Fi 802.11 a/b/g/n, dual-band
Bluetooth 4.1, A2DP
Positioning GPS
NFC Yes
Radio Stereo FM radio, RDS, recording
USB microUSB 2.0

Network

Technology GSM / HSPA / LTE
2G bands GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 2100
4G bands 1, 3, 7, 8, 20
Speed HSPA 21.1/5.76 Mbps, LTE Cat4 150/75 Mbps

Features

Sensors Fingerprint (side-mounted), accelerometer, proximity, compass

Misc

Colors Dark Gray, Rose Gold
Phone Insight phoneinsight.org/ Printed September 3, 2026

For live pricing, photos, and comparisons, visit phoneinsight.org/phones/ulefone-armor-x/

In depth

Full specifications

Announced 2018, April. Released 2018, April
Status Discontinued
OS Android 8.1 (Oreo)
Chipset Mediatek MT6739 (28 nm)
CPU Quad-core 1.5 GHz Cortex-A53
GPU PowerVR GE8100
Type IPS LCD
Size 5.5 inches, 78.1 cm 2 (~62.5% screen-to-body ratio)
Resolution 720 x 1440 pixels, 18:9 ratio (~293 ppi density)
Card slot microSDXC (uses shared SIM slot)
Internal 16GB 2GB RAM
memoryother eMMC 5.1
Dual 8 MP, f/1.8, (wide), AF 5 MP
Features Dual-LED flash, HDR
Video 720p@30fps
Single 5 MP
Video 720p@30fps
Dimensions 163 x 76.6 x 13.9 mm (6.42 x 3.02 x 0.55 in)
Weight 256 g (9.03 oz)
SIM Nano-SIM + Nano-SIM
bodyother IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) Drop resistant up to 1.2m MIL-STD-810G compliant
Type Li-Po 5500 mAh
Charging 10W wired
Loudspeaker Yes
3.5mm jack Yes
WLAN Wi-Fi 802.11 a/b/g/n, dual-band
Bluetooth 4.1, A2DP
Positioning GPS
NFC Yes
Radio Stereo FM radio, RDS, recording
USB microUSB 2.0
Technology GSM / HSPA / LTE
2G bands GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 2100
4G bands 1, 3, 7, 8, 20
Speed HSPA 21.1/5.76 Mbps, LTE Cat4 150/75 Mbps
Sensors Fingerprint (side-mounted), accelerometer, proximity, compass
Colors Dark Gray, Rose Gold
PhoneInsight Benchmark
10.3/100
Basic

A specs-derived composite score, not a lab benchmark -- useful for ranking and comparison.

Processor 7
Display 24.5
Battery 26
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